mirror of
https://github.com/ps5-linux/ps5-linux-loader.git
synced 2026-07-16 06:00:44 +00:00
Format code.
This commit is contained in:
@@ -1,39 +1,39 @@
|
||||
ifndef PS5_PAYLOAD_SDK
|
||||
PS5_PAYLOAD_SDK = /opt/ps5-payload-sdk/
|
||||
endif
|
||||
|
||||
# 1. Variables
|
||||
ifeq ($(shell uname -m),aarch64)
|
||||
CC = x86_64-linux-gnu-gcc
|
||||
LD = x86_64-linux-gnu-ld
|
||||
OBJCOPY = x86_64-linux-gnu-objcopy
|
||||
else
|
||||
CC = gcc
|
||||
LD = ld
|
||||
OBJCOPY = objcopy
|
||||
endif
|
||||
CFLAGS = -O2 -fno-stack-protector -ffreestanding -nostdlib -fcf-protection=none -m64 -I$(PS5_PAYLOAD_SDK)/target/include
|
||||
LDFLAGS = -T linker.ld
|
||||
TARGET = shellcode_hypervisor.elf
|
||||
TEXT_BIN = shellcode_hypervisor.bin
|
||||
dump = shellcode_hypervisor.h
|
||||
|
||||
SRC = main.c utils.c boot_linux.c
|
||||
OBJ = $(SRC:.c=.o)
|
||||
|
||||
all: $(dump)
|
||||
|
||||
$(TARGET): $(OBJ)
|
||||
$(CC) $(CFLAGS) $(LDFLAGS) $(OBJ) -o $(TARGET)
|
||||
|
||||
%.o: %.c
|
||||
$(CC) $(CFLAGS) -c $< -o $@
|
||||
|
||||
$(TEXT_BIN): $(TARGET)
|
||||
$(OBJCOPY) -O binary -j .shell_code $(TARGET) $(TEXT_BIN)
|
||||
|
||||
clean:
|
||||
rm -f $(OBJ) $(TARGET) $(TEXT_BIN) $(dump)
|
||||
|
||||
$(dump): $(TEXT_BIN)
|
||||
python3 bin_to_c_hypervisor.py $(TEXT_BIN)
|
||||
ifndef PS5_PAYLOAD_SDK
|
||||
PS5_PAYLOAD_SDK = /opt/ps5-payload-sdk/
|
||||
endif
|
||||
|
||||
# 1. Variables
|
||||
ifeq ($(shell uname -m),aarch64)
|
||||
CC = x86_64-linux-gnu-gcc
|
||||
LD = x86_64-linux-gnu-ld
|
||||
OBJCOPY = x86_64-linux-gnu-objcopy
|
||||
else
|
||||
CC = gcc
|
||||
LD = ld
|
||||
OBJCOPY = objcopy
|
||||
endif
|
||||
CFLAGS = -O2 -fno-stack-protector -ffreestanding -nostdlib -fcf-protection=none -m64 -I$(PS5_PAYLOAD_SDK)/target/include
|
||||
LDFLAGS = -T linker.ld
|
||||
TARGET = shellcode_hypervisor.elf
|
||||
TEXT_BIN = shellcode_hypervisor.bin
|
||||
dump = shellcode_hypervisor.h
|
||||
|
||||
SRC = main.c utils.c boot_linux.c
|
||||
OBJ = $(SRC:.c=.o)
|
||||
|
||||
all: $(dump)
|
||||
|
||||
$(TARGET): $(OBJ)
|
||||
$(CC) $(CFLAGS) $(LDFLAGS) $(OBJ) -o $(TARGET)
|
||||
|
||||
%.o: %.c
|
||||
$(CC) $(CFLAGS) -c $< -o $@
|
||||
|
||||
$(TEXT_BIN): $(TARGET)
|
||||
$(OBJCOPY) -O binary -j .shell_code $(TARGET) $(TEXT_BIN)
|
||||
|
||||
clean:
|
||||
rm -f $(OBJ) $(TARGET) $(TEXT_BIN) $(dump)
|
||||
|
||||
$(dump): $(TEXT_BIN)
|
||||
python3 bin_to_c_hypervisor.py $(TEXT_BIN)
|
||||
|
||||
@@ -1,46 +1,46 @@
|
||||
import sys
|
||||
import os
|
||||
|
||||
def create_shellcode_header(input_file):
|
||||
if not os.path.exists(input_file):
|
||||
print(f"Error: {input_file} not found.")
|
||||
return
|
||||
|
||||
# Read binary data_text
|
||||
with open(input_file, "rb") as f:
|
||||
data_text = f.read()
|
||||
|
||||
# Hardcoded output name
|
||||
output_name = "shellcode_hypervisor.h"
|
||||
array_name = "shellcode_hypervisor"
|
||||
|
||||
with open(output_name, "w") as f:
|
||||
f.write(f"// Generated from {input_file}\n")
|
||||
f.write(f"#ifndef SHELLCODE_HV_H\n")
|
||||
f.write(f"#define SHELLCODE_HV_H\n\n")
|
||||
f.write(f"#include <unistd.h>\n\n")
|
||||
|
||||
f.write(f"uint8_t {array_name}[] = {{\n ")
|
||||
|
||||
for i, byte in enumerate(data_text):
|
||||
f.write(f"0x{byte:02X}")
|
||||
|
||||
if i < len(data_text) - 1:
|
||||
f.write(", ")
|
||||
|
||||
# New line every 12 bytes
|
||||
if (i + 1) % 12 == 0:
|
||||
f.write("\n ")
|
||||
|
||||
f.write(f"\n}};\n\n")
|
||||
f.write(f"uint64_t {array_name}_len = {len(data_text)};\n\n")
|
||||
|
||||
f.write(f"#endif // SHELLCODE_HV_H\n")
|
||||
|
||||
print(f"Done! Created {output_name} ({len(data_text)} bytes)")
|
||||
|
||||
if __name__ == "__main__":
|
||||
if len(sys.argv) < 2:
|
||||
print("Usage: python bin_to_c_hypervisor.py <shellcode.bin>")
|
||||
else:
|
||||
create_shellcode_header(sys.argv[1])
|
||||
import sys
|
||||
import os
|
||||
|
||||
def create_shellcode_header(input_file):
|
||||
if not os.path.exists(input_file):
|
||||
print(f"Error: {input_file} not found.")
|
||||
return
|
||||
|
||||
# Read binary data_text
|
||||
with open(input_file, "rb") as f:
|
||||
data_text = f.read()
|
||||
|
||||
# Hardcoded output name
|
||||
output_name = "shellcode_hypervisor.h"
|
||||
array_name = "shellcode_hypervisor"
|
||||
|
||||
with open(output_name, "w") as f:
|
||||
f.write(f"// Generated from {input_file}\n")
|
||||
f.write(f"#ifndef SHELLCODE_HV_H\n")
|
||||
f.write(f"#define SHELLCODE_HV_H\n\n")
|
||||
f.write(f"#include <unistd.h>\n\n")
|
||||
|
||||
f.write(f"uint8_t {array_name}[] = {{\n ")
|
||||
|
||||
for i, byte in enumerate(data_text):
|
||||
f.write(f"0x{byte:02X}")
|
||||
|
||||
if i < len(data_text) - 1:
|
||||
f.write(", ")
|
||||
|
||||
# New line every 12 bytes
|
||||
if (i + 1) % 12 == 0:
|
||||
f.write("\n ")
|
||||
|
||||
f.write(f"\n}};\n\n")
|
||||
f.write(f"uint64_t {array_name}_len = {len(data_text)};\n\n")
|
||||
|
||||
f.write(f"#endif // SHELLCODE_HV_H\n")
|
||||
|
||||
print(f"Done! Created {output_name} ({len(data_text)} bytes)")
|
||||
|
||||
if __name__ == "__main__":
|
||||
if len(sys.argv) < 2:
|
||||
print("Usage: python bin_to_c_hypervisor.py <shellcode.bin>")
|
||||
else:
|
||||
create_shellcode_header(sys.argv[1])
|
||||
|
||||
@@ -94,8 +94,7 @@ static void e820_memory_setup(struct boot_params *bp) {
|
||||
if (info.kit_type != KIT_DEVKIT) {
|
||||
append_e820_table(bp, 0x470000000, 0x47f300000, E820_TYPE_RAM);
|
||||
append_e820_table(bp, 0x47f300000, 0x480000000, E820_TYPE_RESERVED);
|
||||
}
|
||||
else {
|
||||
} else {
|
||||
append_e820_table(bp, 0x470000000, 0x87f300000, E820_TYPE_RAM);
|
||||
append_e820_table(bp, 0x87f300000, 0x880000000, E820_TYPE_RESERVED);
|
||||
}
|
||||
@@ -133,7 +132,6 @@ void boot_linux(void) {
|
||||
|
||||
memcpy((void *)kernel_pa, (void *)(info.bzimage + setup_size), kernel_size);
|
||||
|
||||
|
||||
void (*startup_64)(uint64_t physaddr, struct boot_params *bp) =
|
||||
(void *)(kernel_pa + 0x200);
|
||||
startup_64(kernel_pa, bp);
|
||||
|
||||
@@ -1,52 +1,48 @@
|
||||
|
||||
#define MSR_EFER 0xc0000080
|
||||
#define EFER_SVM (1ULL << 12) // Bit 12: Secure Virtual Machine Enable
|
||||
|
||||
// // Virtual Machine Control Register (VM_CR)
|
||||
#define MSR_VM_CR 0xc0010114
|
||||
#define VM_CR_R_INIT (1ULL << 1) // Bit 1: Intercept INIT
|
||||
|
||||
// // MTRRs (Memory Type Range Registers)
|
||||
#define MSR_MTRR4kBase 0x00000268
|
||||
#define MSR_MTRRVarBase 0x00000200
|
||||
|
||||
#define VRAM_BASE (0x470000000 - info.vram_size)
|
||||
|
||||
#define FB_BASE 0xf400000000
|
||||
|
||||
#define ACPI_RSDP_ADDRESS 0x7fd8e014
|
||||
|
||||
#define AMDGPU_MMIO_BASE 0xe0600000
|
||||
|
||||
#define RCC_CONFIG_MEMSIZE 0x378c
|
||||
|
||||
#define GCMC_VM_FB_OFFSET 0xa5ac
|
||||
#define GCMC_VM_LOCAL_HBM_ADDRESS_START 0xa5d4
|
||||
#define GCMC_VM_LOCAL_HBM_ADDRESS_END 0xa5d8
|
||||
#define GCMC_VM_FB_LOCATION_BASE 0xa600
|
||||
#define GCMC_VM_FB_LOCATION_TOP 0xa604
|
||||
|
||||
#define MMMC_VM_FB_OFFSET 0x6a15c
|
||||
#define MMMC_VM_LOCAL_HBM_ADDRESS_START 0x6a184
|
||||
#define MMMC_VM_LOCAL_HBM_ADDRESS_END 0x6a188
|
||||
#define MMMC_VM_FB_LOCATION_BASE 0x6a1b0
|
||||
#define MMMC_VM_FB_LOCATION_TOP 0x6a1b4
|
||||
|
||||
#define MMHUBBUB_WHITELIST_BASE_ADDR_0 0x24850
|
||||
#define MMHUBBUB_WHITELIST_TOP_ADDR_0 0x24854
|
||||
#define DCHUBBUB_WHITELIST_BASE_ADDR_0 0x24878
|
||||
#define DCHUBBUB_WHITELIST_TOP_ADDR_0 0x2487c
|
||||
|
||||
#define AMDIOMMU_MMIO_BASE 0xfdd80000
|
||||
#define AMDIOMMU_CTRL 0x18
|
||||
|
||||
#define MAXCPU 16
|
||||
|
||||
void entry(void);
|
||||
void boot_linux(void);
|
||||
|
||||
enum kit_type {
|
||||
KIT_RETAIL,
|
||||
KIT_TESTKIT,
|
||||
KIT_DEVKIT
|
||||
};
|
||||
|
||||
#define MSR_EFER 0xc0000080
|
||||
#define EFER_SVM (1ULL << 12) // Bit 12: Secure Virtual Machine Enable
|
||||
|
||||
// // Virtual Machine Control Register (VM_CR)
|
||||
#define MSR_VM_CR 0xc0010114
|
||||
#define VM_CR_R_INIT (1ULL << 1) // Bit 1: Intercept INIT
|
||||
|
||||
// // MTRRs (Memory Type Range Registers)
|
||||
#define MSR_MTRR4kBase 0x00000268
|
||||
#define MSR_MTRRVarBase 0x00000200
|
||||
|
||||
#define VRAM_BASE (0x470000000 - info.vram_size)
|
||||
|
||||
#define FB_BASE 0xf400000000
|
||||
|
||||
#define ACPI_RSDP_ADDRESS 0x7fd8e014
|
||||
|
||||
#define AMDGPU_MMIO_BASE 0xe0600000
|
||||
|
||||
#define RCC_CONFIG_MEMSIZE 0x378c
|
||||
|
||||
#define GCMC_VM_FB_OFFSET 0xa5ac
|
||||
#define GCMC_VM_LOCAL_HBM_ADDRESS_START 0xa5d4
|
||||
#define GCMC_VM_LOCAL_HBM_ADDRESS_END 0xa5d8
|
||||
#define GCMC_VM_FB_LOCATION_BASE 0xa600
|
||||
#define GCMC_VM_FB_LOCATION_TOP 0xa604
|
||||
|
||||
#define MMMC_VM_FB_OFFSET 0x6a15c
|
||||
#define MMMC_VM_LOCAL_HBM_ADDRESS_START 0x6a184
|
||||
#define MMMC_VM_LOCAL_HBM_ADDRESS_END 0x6a188
|
||||
#define MMMC_VM_FB_LOCATION_BASE 0x6a1b0
|
||||
#define MMMC_VM_FB_LOCATION_TOP 0x6a1b4
|
||||
|
||||
#define MMHUBBUB_WHITELIST_BASE_ADDR_0 0x24850
|
||||
#define MMHUBBUB_WHITELIST_TOP_ADDR_0 0x24854
|
||||
#define DCHUBBUB_WHITELIST_BASE_ADDR_0 0x24878
|
||||
#define DCHUBBUB_WHITELIST_TOP_ADDR_0 0x2487c
|
||||
|
||||
#define AMDIOMMU_MMIO_BASE 0xfdd80000
|
||||
#define AMDIOMMU_CTRL 0x18
|
||||
|
||||
#define MAXCPU 16
|
||||
|
||||
void entry(void);
|
||||
void boot_linux(void);
|
||||
|
||||
enum kit_type { KIT_RETAIL, KIT_TESTKIT, KIT_DEVKIT };
|
||||
|
||||
@@ -1,18 +1,18 @@
|
||||
/* linker.ld */
|
||||
ENTRY(main)
|
||||
|
||||
SECTIONS
|
||||
{
|
||||
. = 0x1000; /* 0x1000 to avoid warnings from linker */
|
||||
/* Place our custom header first */
|
||||
.shell_code :
|
||||
{
|
||||
*(.entry_point)
|
||||
*(.text)
|
||||
*(.text.*)
|
||||
*(.data*)
|
||||
*(.rodata*)
|
||||
*(.bss)
|
||||
*(.bss.*)
|
||||
}
|
||||
}
|
||||
/* linker.ld */
|
||||
ENTRY(main)
|
||||
|
||||
SECTIONS
|
||||
{
|
||||
. = 0x1000; /* 0x1000 to avoid warnings from linker */
|
||||
/* Place our custom header first */
|
||||
.shell_code :
|
||||
{
|
||||
*(.entry_point)
|
||||
*(.text)
|
||||
*(.text.*)
|
||||
*(.data*)
|
||||
*(.rodata*)
|
||||
*(.bss)
|
||||
*(.bss.*)
|
||||
}
|
||||
}
|
||||
|
||||
@@ -1,33 +1,33 @@
|
||||
#include <stdint.h>
|
||||
#include "main.h"
|
||||
#include "../include/config.h"
|
||||
#include "boot_linux.h"
|
||||
#include "utils.h"
|
||||
|
||||
__attribute__((section(".entry_point"), naked)) uint32_t main(void) {
|
||||
|
||||
// We enter this function after CR3 was updated to 1:1 mapping
|
||||
// We need to point RSP/RBP to a good known valid address
|
||||
uint32_t ebax, ebx, ecx, edx;
|
||||
uint32_t cpu_id;
|
||||
|
||||
__asm__ volatile("cpuid"
|
||||
: "=a"(ebax), "=b"(ebx), "=c"(ecx), "=d"(edx)
|
||||
: "a"(1));
|
||||
|
||||
cpu_id = (ebx >> 24) & 0xFF;
|
||||
|
||||
// We point to a location after the main linux boot code
|
||||
// Each CPU should have a different location
|
||||
uintptr_t new_rsp =
|
||||
(uintptr_t)hv_base_rsp + ((uint64_t)(cpu_id)*hv_stack_size);
|
||||
|
||||
// WARNING: This invalidates current local variables
|
||||
__asm__ volatile("movq %0, %%rsp \n\t"
|
||||
"movq %%rsp, %%rbp \n\t"
|
||||
:
|
||||
: "r"(new_rsp)
|
||||
: "rbp", "memory");
|
||||
|
||||
entry();
|
||||
}
|
||||
#include "main.h"
|
||||
#include "../include/config.h"
|
||||
#include "boot_linux.h"
|
||||
#include "utils.h"
|
||||
#include <stdint.h>
|
||||
|
||||
__attribute__((section(".entry_point"), naked)) uint32_t main(void) {
|
||||
|
||||
// We enter this function after CR3 was updated to 1:1 mapping
|
||||
// We need to point RSP/RBP to a good known valid address
|
||||
uint32_t ebax, ebx, ecx, edx;
|
||||
uint32_t cpu_id;
|
||||
|
||||
__asm__ volatile("cpuid"
|
||||
: "=a"(ebax), "=b"(ebx), "=c"(ecx), "=d"(edx)
|
||||
: "a"(1));
|
||||
|
||||
cpu_id = (ebx >> 24) & 0xFF;
|
||||
|
||||
// We point to a location after the main linux boot code
|
||||
// Each CPU should have a different location
|
||||
uintptr_t new_rsp =
|
||||
(uintptr_t)hv_base_rsp + ((uint64_t)(cpu_id)*hv_stack_size);
|
||||
|
||||
// WARNING: This invalidates current local variables
|
||||
__asm__ volatile("movq %0, %%rsp \n\t"
|
||||
"movq %%rsp, %%rbp \n\t"
|
||||
:
|
||||
: "r"(new_rsp)
|
||||
: "rbp", "memory");
|
||||
|
||||
entry();
|
||||
}
|
||||
|
||||
@@ -1,3 +1,3 @@
|
||||
#include "shellcode_hypervisor_args.h"
|
||||
#include <stdarg.h>
|
||||
#include <stdint.h>
|
||||
#include "shellcode_hypervisor_args.h"
|
||||
#include <stdarg.h>
|
||||
#include <stdint.h>
|
||||
|
||||
@@ -1,9 +1,9 @@
|
||||
// This file is shared between kernel shellcode and hypervisor shellcode
|
||||
|
||||
#include <stdint.h>
|
||||
|
||||
typedef struct {
|
||||
uint64_t bzimage_pa; // Already relocated by Kernel shellcode
|
||||
uint64_t initrd_pa; // Already relocated by Kernel shellcode
|
||||
uint64_t linux_info_pa; // Already relocated by Kernel shellcode
|
||||
} shellcode_hypervisor_args;
|
||||
// This file is shared between kernel shellcode and hypervisor shellcode
|
||||
|
||||
#include <stdint.h>
|
||||
|
||||
typedef struct {
|
||||
uint64_t bzimage_pa; // Already relocated by Kernel shellcode
|
||||
uint64_t initrd_pa; // Already relocated by Kernel shellcode
|
||||
uint64_t linux_info_pa; // Already relocated by Kernel shellcode
|
||||
} shellcode_hypervisor_args;
|
||||
|
||||
@@ -1,114 +1,114 @@
|
||||
#include "utils.h"
|
||||
#include "shellcode_hypervisor_args.h"
|
||||
#include <cpuid.h>
|
||||
|
||||
extern shellcode_hypervisor_args args;
|
||||
|
||||
__attribute__((noinline, optimize("O0"))) uint32_t putc_uart(uint8_t tx_byte) {
|
||||
volatile uint32_t *uart_tx = (volatile uint32_t *) 0xc1010104ULL;
|
||||
volatile uint32_t *uart_busy = (volatile uint32_t *) 0xc101010cULL;
|
||||
uint64_t timeout = 0xFFFFFFFF;
|
||||
do {
|
||||
timeout--;
|
||||
if (timeout == 0)
|
||||
break;
|
||||
} while (((*uart_busy) & 0x20) == 0);
|
||||
|
||||
if (timeout == 0)
|
||||
return -1;
|
||||
|
||||
*uart_tx = (uint32_t)tx_byte & 0xFF;
|
||||
return 0;
|
||||
}
|
||||
|
||||
// Variable for val to hex
|
||||
uint8_t hex_val[17];
|
||||
|
||||
__attribute__((noinline, optimize("O0"))) uint8_t *
|
||||
u64_to_hex_custom(uint64_t val, uint8_t *dest) {
|
||||
|
||||
const uint8_t hex_chars[] = "0123456789abcdef";
|
||||
dest[16] = '\0';
|
||||
|
||||
for (int i = 15; i >= 0; i--) {
|
||||
dest[i] = hex_chars[val & 0xf];
|
||||
val >>= 4;
|
||||
}
|
||||
return dest;
|
||||
}
|
||||
|
||||
__attribute__((noinline, optimize("O0"))) int printf(const uint8_t *msg) {
|
||||
uint32_t max = 255;
|
||||
int ret = 0;
|
||||
|
||||
for (int i = 0; i < 255; i++) {
|
||||
if (msg[i] == '\0') {
|
||||
break;
|
||||
}
|
||||
if (msg[i] == '\n') {
|
||||
putc_uart('\r');
|
||||
}
|
||||
ret = putc_uart(msg[i]);
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
__attribute__((noinline, optimize("O0"))) void memcpy(void *dest, void *src,
|
||||
uint64_t len) {
|
||||
uint8_t *d = (uint8_t *)dest;
|
||||
const uint8_t *s = (const uint8_t *)src;
|
||||
for (uint64_t i = 0; i < len; i++) {
|
||||
d[i] = s[i];
|
||||
}
|
||||
}
|
||||
|
||||
__attribute__((noinline, optimize("O0"))) char *strcpy(char *dest,
|
||||
const char *src) {
|
||||
char *d = dest;
|
||||
while ((*d++ = *src++)) {
|
||||
}
|
||||
return dest;
|
||||
}
|
||||
|
||||
__attribute__((noinline, optimize("O0"))) void *memset(void *s, int c,
|
||||
uint64_t n) {
|
||||
unsigned char *p = (unsigned char *)s;
|
||||
while (n--) {
|
||||
*p++ = (unsigned char)c;
|
||||
}
|
||||
return s;
|
||||
}
|
||||
|
||||
void disable_intr(void) { __asm__ __volatile__("cli" : : : "memory"); }
|
||||
|
||||
void halt(void) { __asm__ __volatile__("hlt"); }
|
||||
|
||||
uint64_t rdmsr(uint32_t msr) {
|
||||
uint32_t low, high;
|
||||
__asm__ __volatile__("rdmsr" : "=a"(low), "=d"(high) : "c"(msr));
|
||||
return ((uint64_t)high << 32) | low;
|
||||
}
|
||||
|
||||
void wrmsr(uint32_t msr, uint64_t val) {
|
||||
uint32_t low = val & 0xFFFFFFFF;
|
||||
uint32_t high = val >> 32;
|
||||
__asm__ __volatile__("wrmsr" : : "a"(low), "d"(high), "c"(msr));
|
||||
}
|
||||
|
||||
// Map FreeBSD atomic_add_32 to GCC builtin
|
||||
void atomic_add_32(volatile uint32_t *p, uint32_t v) {
|
||||
__sync_fetch_and_add(p, v);
|
||||
}
|
||||
|
||||
// Map FreeBSD atomic_cmpset_32 to GCC builtin
|
||||
int atomic_cmpset_32(volatile uint32_t *dst, uint32_t exp, uint32_t src) {
|
||||
return __sync_bool_compare_and_swap(dst, exp, src);
|
||||
}
|
||||
|
||||
uint8_t get_cpu(void) {
|
||||
uint32_t eax, ebx, ecx, edx;
|
||||
__get_cpuid(1, &eax, &ebx, &ecx, &edx);
|
||||
uint8_t cpu_id = (ebx >> 24) & 0xFF;
|
||||
return cpu_id;
|
||||
}
|
||||
#include "utils.h"
|
||||
#include "shellcode_hypervisor_args.h"
|
||||
#include <cpuid.h>
|
||||
|
||||
extern shellcode_hypervisor_args args;
|
||||
|
||||
__attribute__((noinline, optimize("O0"))) uint32_t putc_uart(uint8_t tx_byte) {
|
||||
volatile uint32_t *uart_tx = (volatile uint32_t *)0xc1010104ULL;
|
||||
volatile uint32_t *uart_busy = (volatile uint32_t *)0xc101010cULL;
|
||||
uint64_t timeout = 0xFFFFFFFF;
|
||||
do {
|
||||
timeout--;
|
||||
if (timeout == 0)
|
||||
break;
|
||||
} while (((*uart_busy) & 0x20) == 0);
|
||||
|
||||
if (timeout == 0)
|
||||
return -1;
|
||||
|
||||
*uart_tx = (uint32_t)tx_byte & 0xFF;
|
||||
return 0;
|
||||
}
|
||||
|
||||
// Variable for val to hex
|
||||
uint8_t hex_val[17];
|
||||
|
||||
__attribute__((noinline, optimize("O0"))) uint8_t *
|
||||
u64_to_hex_custom(uint64_t val, uint8_t *dest) {
|
||||
|
||||
const uint8_t hex_chars[] = "0123456789abcdef";
|
||||
dest[16] = '\0';
|
||||
|
||||
for (int i = 15; i >= 0; i--) {
|
||||
dest[i] = hex_chars[val & 0xf];
|
||||
val >>= 4;
|
||||
}
|
||||
return dest;
|
||||
}
|
||||
|
||||
__attribute__((noinline, optimize("O0"))) int printf(const uint8_t *msg) {
|
||||
uint32_t max = 255;
|
||||
int ret = 0;
|
||||
|
||||
for (int i = 0; i < 255; i++) {
|
||||
if (msg[i] == '\0') {
|
||||
break;
|
||||
}
|
||||
if (msg[i] == '\n') {
|
||||
putc_uart('\r');
|
||||
}
|
||||
ret = putc_uart(msg[i]);
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
__attribute__((noinline, optimize("O0"))) void memcpy(void *dest, void *src,
|
||||
uint64_t len) {
|
||||
uint8_t *d = (uint8_t *)dest;
|
||||
const uint8_t *s = (const uint8_t *)src;
|
||||
for (uint64_t i = 0; i < len; i++) {
|
||||
d[i] = s[i];
|
||||
}
|
||||
}
|
||||
|
||||
__attribute__((noinline, optimize("O0"))) char *strcpy(char *dest,
|
||||
const char *src) {
|
||||
char *d = dest;
|
||||
while ((*d++ = *src++)) {
|
||||
}
|
||||
return dest;
|
||||
}
|
||||
|
||||
__attribute__((noinline, optimize("O0"))) void *memset(void *s, int c,
|
||||
uint64_t n) {
|
||||
unsigned char *p = (unsigned char *)s;
|
||||
while (n--) {
|
||||
*p++ = (unsigned char)c;
|
||||
}
|
||||
return s;
|
||||
}
|
||||
|
||||
void disable_intr(void) { __asm__ __volatile__("cli" : : : "memory"); }
|
||||
|
||||
void halt(void) { __asm__ __volatile__("hlt"); }
|
||||
|
||||
uint64_t rdmsr(uint32_t msr) {
|
||||
uint32_t low, high;
|
||||
__asm__ __volatile__("rdmsr" : "=a"(low), "=d"(high) : "c"(msr));
|
||||
return ((uint64_t)high << 32) | low;
|
||||
}
|
||||
|
||||
void wrmsr(uint32_t msr, uint64_t val) {
|
||||
uint32_t low = val & 0xFFFFFFFF;
|
||||
uint32_t high = val >> 32;
|
||||
__asm__ __volatile__("wrmsr" : : "a"(low), "d"(high), "c"(msr));
|
||||
}
|
||||
|
||||
// Map FreeBSD atomic_add_32 to GCC builtin
|
||||
void atomic_add_32(volatile uint32_t *p, uint32_t v) {
|
||||
__sync_fetch_and_add(p, v);
|
||||
}
|
||||
|
||||
// Map FreeBSD atomic_cmpset_32 to GCC builtin
|
||||
int atomic_cmpset_32(volatile uint32_t *dst, uint32_t exp, uint32_t src) {
|
||||
return __sync_bool_compare_and_swap(dst, exp, src);
|
||||
}
|
||||
|
||||
uint8_t get_cpu(void) {
|
||||
uint32_t eax, ebx, ecx, edx;
|
||||
__get_cpuid(1, &eax, &ebx, &ecx, &edx);
|
||||
uint8_t cpu_id = (ebx >> 24) & 0xFF;
|
||||
return cpu_id;
|
||||
}
|
||||
|
||||
@@ -1,28 +1,28 @@
|
||||
#ifndef UTILS_H
|
||||
#define UTILS_H
|
||||
|
||||
#include <stdint.h>
|
||||
|
||||
uint32_t putc_uart(uint8_t tx_byte);
|
||||
int printf(const uint8_t *msg);
|
||||
uint8_t *u64_to_hex_custom(uint64_t val, uint8_t *dest);
|
||||
|
||||
extern uint8_t hex_val[17];
|
||||
|
||||
inline int print_val64(uint64_t val) {
|
||||
return printf(u64_to_hex_custom(val, hex_val));
|
||||
}
|
||||
|
||||
void memcpy(void *dest, void *src, uint64_t len);
|
||||
char *strcpy(char *dest, const char *src);
|
||||
void *memset(void *s, int c, uint64_t n);
|
||||
|
||||
void disable_intr(void);
|
||||
void halt(void);
|
||||
uint64_t rdmsr(uint32_t msr);
|
||||
void wrmsr(uint32_t msr, uint64_t val);
|
||||
void atomic_add_32(volatile uint32_t *p, uint32_t v);
|
||||
int atomic_cmpset_32(volatile uint32_t *dst, uint32_t exp, uint32_t src);
|
||||
uint8_t get_cpu(void);
|
||||
|
||||
#endif
|
||||
#ifndef UTILS_H
|
||||
#define UTILS_H
|
||||
|
||||
#include <stdint.h>
|
||||
|
||||
uint32_t putc_uart(uint8_t tx_byte);
|
||||
int printf(const uint8_t *msg);
|
||||
uint8_t *u64_to_hex_custom(uint64_t val, uint8_t *dest);
|
||||
|
||||
extern uint8_t hex_val[17];
|
||||
|
||||
inline int print_val64(uint64_t val) {
|
||||
return printf(u64_to_hex_custom(val, hex_val));
|
||||
}
|
||||
|
||||
void memcpy(void *dest, void *src, uint64_t len);
|
||||
char *strcpy(char *dest, const char *src);
|
||||
void *memset(void *s, int c, uint64_t n);
|
||||
|
||||
void disable_intr(void);
|
||||
void halt(void);
|
||||
uint64_t rdmsr(uint32_t msr);
|
||||
void wrmsr(uint32_t msr, uint64_t val);
|
||||
void atomic_add_32(volatile uint32_t *p, uint32_t v);
|
||||
int atomic_cmpset_32(volatile uint32_t *dst, uint32_t exp, uint32_t src);
|
||||
uint8_t get_cpu(void);
|
||||
|
||||
#endif
|
||||
|
||||
Reference in New Issue
Block a user